RDL ST-PD5U – 24 Vdc Soft-Start Power Distributor, 5 Outputs is backordered and will ship as soon as it is back in stock.
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What is the RDL ST-PD5U?
The RDL ST-PD5U distributes 24 Vdc from a single current-limited switching power supply to up to five RDL modules. It prevents the start-up shutdowns that switching supplies can suffer when a high-current capacitive load is connected.
How does it work?

On power-up, the ST-PD5U ramps the voltage up to charge load capacitance quickly, then switches full voltage to the load, and it disconnects the load if reverse polarity is applied until the condition is corrected. Total load current across the five outputs must not exceed 2 A, and POWER and FAULT LEDs show supply status and overloads. Use one ST-PD5U for floating modules and a separate unit for ground-referenced modules, as RDL advises against mixing them. RDL recommends the RDL PS-24V3 or RDL PS-24V3A supply, and the module mounts with the RDL MB-1 or RDL SR-4.
What are the key features?
- Five power outputs — One switching supply can power up to five modules, with total load up to 2 A.
- Soft-start circuitry — Ramped start-up keeps current-limited switching supplies from shutting down on capacitive loads.
- Reverse voltage protection — The load is disconnected if the input polarity is reversed.
- Status indication — POWER and FAULT LEDs show voltage presence and excessive load current.
- Wide module compatibility — It works with RDL RACK-UP, STICK-ON, FLAT-PAK and TX series products.
At Creation Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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